SUNA V2

The SUNA V2 UV nitrate sensor is the ultimate chemical-free solution for autonomous monitoring of nitrogen-based nutrient concentrations in ocean, estuarine and high turbidity freshwater environments.

Performance    

 10 mm Pathlength5 mm Pathlength
Accuracy2 µM (0.028 mgN/L)4 µM (0.056 mgN/L)
Turbidity Operating Range0 - 625 NTU0 - 1250 NTU
 Fresh water or Seawater with T-S CorrectionSeawater withour T-S Correction
Precision (at 3σ)0.3 µM2.4 µM
Limit of Detection0.3 µM2.4 µM
Drift (per hour of lamp time)<0.3 µM<1.0 µM


See User’s Manual for detailed performance specifications.

Optics

Path Length10 mm & 5 mm (high turbidity option)
Wavelength Range190-370 nm
Lamp TypeContinuous Wave, Deuterium Lamp
Lamp Lifetime900 h

 

Electrical

Input Voltage8-18 VDC
Power Consumption7.5 W (0.625 A at 12 V) nominal

 

Resolution

Material Titanium
Depth Rating500 m
Weight (Acetal/ Titanium)5.1 kg
Displacement1749 cm3

 

Calibration

Methods
  • Seawater
  • Freshwater
  • Class-based Freshwater
Correction

Real-Time temperature-salinity correction available*  (0-35 oC, 0-40 PSU)

* Requires external T/S data.

 

Dimensions in mm [inches]

Specifications may change without notice.February 2017